There are four light-weight-rod samples A,B,C,D seperately suspended by threads

⇦

⇨

There are four light-weight-rod samples A,B,C,D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) B is feebly attracted
(iii) C is strongly attracted
(iv) D remains unaffected
Which one of the following is true?

Options

(a) B is of a paramagnetic material
(b) C is of a diamagnetic material
(c) D is of a ferromagnetic material
(d) A is of a non-magnetic material

Correct Answer:

B is of a paramagnetic material

Explanation:

A → diamagnetic
B → paramagnetic
C → Ferromagnetic
D → Non magnetic

Related Questions:

1. To demonstrate the phenomenon of interference, we require two sources which emit
2. The threshold frequency for a photosensitive metal is 3.3 x 10¹⁴ Hz.
3. During negative β-decay
4. A solenoid of length l metre has self inductance L henry. If number of turns
5. For an ideal gas of diatomic molecules

Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends